  .header {
  width: 100%;
  height: 0;
  /* overflow: hidden; */
  padding-bottom: 39.52%;
  position: relative;
  background-image: url(../images/background1.png);
  /* background-size: 100%; */
  background-repeat: no-repeat;
}

.header-container, .about, .list-content, .footer-container{
  width: 1200px;
  margin: 0 auto;
}

.header-content {
  height: 122px;
  line-height: 122px;
  /* background: red; */
  display: flex;
  justify-content: space-between;
}

.logo {
  width: 118px;
  height: 121px;
  
}

.logo-img {
  width: 118px;
  height: 121px;
}

.header-nav{
  width: 600px;
  /* height: 10px; */
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgb(136, 136, 136);
  font-size: 17px;
}

.header-nav span {
  cursor: pointer;
}

.header-nav-active{
  color: #2351a8;
  padding: 5px 10px;
  border-bottom: 2px solid rgba(35, 1, 168);
}

.header-desc {
  display: flex;
  justify-content: space-between;
  margin: 80px 0 0 100px; 
}

.header-desc-font {
  color: rgb(51, 51, 51);
  font-family: "PingFangSC";
}

.header-desc h1{
  font-size: 70px;
  line-height: 1.2;
}

.header-desc p {
  font-size: 16px;
  padding: 0;
}

.header-desc h3 {
  font-size: 30px;
}

.header-footer {
  width: 507px;
  height: 104px;
  background: #2351a8;
  position: absolute;
  bottom: -40px;
  display: flex;
  /* justify-content: space-between; */
  align-items: center;
}

.header-footer-logo {
  margin: 27px 16px;
  height: 60px;
  width: 60px;
  border-radius: 50%;
  border: 1px solid #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-footer-logo img {
  height: 41px;
  position: relative;
  top: 5px;
}

.header-number {
  font-size: 17 px;
  width: 250px;
  color: #fff;
}

.header-number p:nth-child(2) {
  font-size: 31px;
  font-family: "Arial";
}


.scancode {
  width: 68px;
  height: 68px;
  margin-left: 80px;
}

.about {
  margin-top: 160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.about-left span{
  font-size: 36px;
  color: #2351a8;
  margin-left: 50px;
  /* text-align: right; */
}

.about-left p {
  font-size: 18px;
}

.about-title {
  display: inline-block;
  margin-left: 440px;
}

.about-article h2{
  font-size: 18px;
  padding: 10px 0;
}

.about-article article {
  font-size: 16px;
  margin-top: 10px;
}

.list {
  margin-top: 80px;
  width: 100%;
  height: 584px;
  background-image: url(../images/list-bg.png);
  /* background-size: 100% 100%; */
  background-repeat: no-repeat;
}

.list-bg {
  margin: 85px 0 96px 104px;
}

.list-container {
  width: 1050px;
  background-image: url(../images/list.png);
  /* background-size: 100% 100%; */
  background-repeat: no-repeat; 
  margin: 50px 0 0 80px;
  display: flex;
}

.list-container div {
  flex-basis: 25%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 250px;
  height: 210px;
  color: #fff;
}

.list-container div h1 {
  font-size: 18px;
  padding: 10px 0;
}

.product {
  width: 1000px;
  margin: 190px auto 60px;
}

.product h1 {
  text-align: center;
  font-size: 36px;
  color: #2351a8;
  padding: 10px 0;
}

.product p {
  text-align: center;
  font-size: 18px;
  color: #999;
  margin-bottom: 50px;  
  /* padding: 10px 0; */
}

.product-list {
  display: flex; 
}

.product-list div {
  cursor: pointer;
}

.product-list div span {
  cursor: pointer;
  position: relative;
  bottom: 150px;
  left: 60px;
  font-size: 18px;
  color: #2351a8;
  border-bottom: 2px solid #2351a8;
}

.news-list {
  display: flex;
}

.news-left {
  flex-basis: 50%;
}

.news-right{
  margin-left: 8px;
  display: flex;
  flex-direction: column;
}
.news-right a {
  text-decoration: none;
}
.news-desc h4 {
  color: #999
}

.right-list {
  display: flex;
  margin-bottom: 10px;
  padding-bottom: 3px;
  border-bottom: 1px dashed #ccc;
}

.date {
  padding-left: 5px;
}
.date span {
  color: #2351a8;
}

.date-active {
  border-left: 5px solid #2351a8;
}

.date span:nth-child(1) {
  font-size: 30px;
  padding: 0 5px;
  border-bottom: 1px solid #2351a8;
}

.footer {
  width: 100%;
  height: 267px;
  background: #2351a8;
}

.footer-container {
  height: 267px;
  display: flex;
}

.footer-left {
  flex-basis: 50%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
}

.footer-right {
  flex: 1;
}

.call-us {
  color: #fff;
}

.call-us h1{
  font-size: 24px;
  letter-spacing: 3px;
  padding: 10px 0;
}

.call-us p{
  font-size: 16px;
  letter-spacing: 3px;
  padding: 5px 0;
}

.footer-number {
  margin-top: 10px;
  align-items: center;
  display: flex;
}

.footer-phone {
  height: 60px;
  width: 60px;
  border-radius: 50%;
  border: 1px solid #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-phone img {
  position: relative;
  top: 5px;
}

.footer-number p {
  padding-left: 30px;
  font-size: 41px;
  font-family: "Arial";
  color: rgb(255, 255, 255);
}

.footer-right {
  padding: 55px 0 70px 0;
  display: flex;
  flex-direction: column;
  /* align-items: center; */
  /* justify-content: center; */
}

.footer-scancode ,.footer-list{
  margin-left: auto;
}

.footer-list {
  margin-top: 30px;
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: #fff
}

.footer-list a{
  color: #fff
}

.footer-list span {
  cursor: pointer;
  margin-left: 60px;
}